lliopipe.cpp
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- /**
- * @file lliopipe.cpp
- * @author Phoenix
- * @date 2004-11-19
- * @brief Implementation of the LLIOPipe class
- *
- * $LicenseInfo:firstyear=2004&license=viewergpl$
- *
- * Copyright (c) 2004-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "lliopipe.h"
- #include "llpumpio.h"
- static const std::string STATUS_SUCCESS_NAMES[LLIOPipe::STATUS_SUCCESS_COUNT] =
- {
- std::string("STATUS_OK"),
- std::string("STATUS_STOP"),
- std::string("STATUS_DONE"),
- std::string("STATUS_BREAK"),
- std::string("STATUS_NEED_PROCESS"),
- };
- static const std::string STATUS_ERROR_NAMES[LLIOPipe::STATUS_ERROR_COUNT] =
- {
- std::string("STATUS_ERROR"),
- std::string("STATUS_NOT_IMPLEMENTED"),
- std::string("STATUS_PRECONDITION_NOT_MET"),
- std::string("STATUS_NO_CONNECTION"),
- std::string("STATUS_LOST_CONNECTION"),
- std::string("STATUS_EXPIRED"),
- };
- #ifdef LL_DEBUG_PUMPS
- // Debugging schmutz for deadlock
- const char *gPumpFile = "";
- S32 gPumpLine = 0;
- void pump_debug(const char *file, S32 line)
- {
- gPumpFile = file;
- gPumpLine = line;
- }
- #endif /* LL_DEBUG_PUMPS */
- /**
- * LLIOPipe
- */
- LLIOPipe::LLIOPipe() :
- mReferenceCount(0)
- {
- }
- LLIOPipe::~LLIOPipe()
- {
- //lldebugs << "destroying LLIOPipe" << llendl;
- }
- // static
- std::string LLIOPipe::lookupStatusString(EStatus status)
- {
- if((status >= 0) && (status < STATUS_SUCCESS_COUNT))
- {
- return STATUS_SUCCESS_NAMES[status];
- }
- else
- {
- S32 error_code = ((S32)status * -1) - 1;
- if(error_code < STATUS_ERROR_COUNT)
- {
- return STATUS_ERROR_NAMES[error_code];
- }
- }
- std::string rv;
- return rv;
- }
- LLIOPipe::EStatus LLIOPipe::process(
- const LLChannelDescriptors& channels,
- buffer_ptr_t& buffer,
- bool& eos,
- LLSD& context,
- LLPumpIO* pump)
- {
- return process_impl(channels, buffer, eos, context, pump);
- }
- // virtual
- LLIOPipe::EStatus LLIOPipe::handleError(
- LLIOPipe::EStatus status,
- LLPumpIO* pump)
- {
- // by default, the error is not handled.
- return status;
- }